that's their job. >> reporter: how much caffeine is really in 5-hour energy? a two-ounce bottle contains 207 milligrams, equivalent to two eight-ounce cups of coffee. or six cokes. that's a lot. but nowhere near the amount considered a lethal dose. about 5,000 milligrams. that's 50 cups of coffee or 500 shots of 5-hour energy. more than most could physically drink. is there any risk to a healthy person drinking your product? >> not at all. none. >> reporter: while the label says those under 12 should not drink its product, this morning another caffeine controversy is brewing with a familiar product favored by children. the maker of cracker jack says it will release an adult version of the snack with caffeine baked in, set to hit stores in early 2013. frito lay says the product line will not be marketed to children. the package line is different from cracker jack. >> no prize inside that cracker jack. >> reporter: the surprise might be the caffeine. >> jim avila, thanks so much. >> guys, thanks. >>> we have the latest twist in the manhunt for the software milli